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IC301 BD3859AFV
40 39
38
37
36
35
34
33
32
31
30 29
28
27
26
25
24
23
22
9
21
REC1
REC2
VOL2
VOL1
TRE1
BASS11
BASS12
AGCLVL
AGCC
BA11
BA12
BA13
BA21
BA22
BA23
CAP
VCC
A1
A2
B1
B2
C1
C2
D1
D2
FILTER
DBC
TOUT1
OVOL1
OUT1
TOUT2
OVOL2
OUT2
AGND
DGND
DATA LATCH
CLOCK
TRE2
BASS21
BASS22
VCC2
VCC2
LOGIC
BASS 1
DYNAMIC
BASS1
BASS 2
TREBLE1
TREBLE2
VCC
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
VCC/2
VCC/2
VCC/2
VCC/2
VCC/2
VCC/2
0dB
31dB
DYNAMIC
BASS2
ADDRESS
CONTROLLER
18 BIT
MULTIPLEXER
2M BIT
ROM
I/O
INTERFACE
18 BIT
ADDRESS
COUNTER
DATA
CONTROLLER
PCM
SYNTHESIZER
TIMING
CONTROLLER
10 BIT DAC
& LPF
1
2
I3
I4
I5
RESET
XT/CR
NAR
AOUT
I2
I1
I0
ST
CPU/STD
GND
VREF
3
4
5
6
7
8
9
OSC
XT/CR
15
14
13
12
11
16
17
18
10
6
OSC3/TEST
OSC2
OSC1
VDD
10
IC804 MSM9805-549RS
POWER
SUPPLY
1
2
3
4 5
6
7
8
9
AGC
AMPLIFIER
RECTIFIER &
INTEGRATOR
DECODER
15
14
13
12
11
16
17
18
19
20
10
VCC
RF IN
GND
SB
Q1A
Q1B
REC
INT
DEC
FLA
NC
NC
NC
NC
TCO
PON
Q2B
Q2A
SL
FLB
IC601 U4226B-MFSG3